package jdbc;

import java.sql.Connection;
import java.sql.PreparedStatement;
import java.sql.SQLException;
import java.util.Scanner;

public class JDBCDemo12 {
    public static void main(String[] args) {
        Scanner scan = new Scanner(System.in);
        System.out.println("请输入用户名：");
        String username = scan.nextLine();
        try (Connection conn = DBUtil.getConnection();){
            String sql = "DELETE FROM userinfo "+
                         "WHERE username = ?";
            PreparedStatement ps = conn.prepareStatement(sql);
            ps.setString(1,username);
            int count = ps.executeUpdate();
            System.out.println(count>0?"删除成功":"删除失败");
        } catch (SQLException e) {
            e.printStackTrace();
        }
    }
}
